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NOTICE: This feature must be preprogrammed by a qualified radio technician. Check with your
dealer or system administrator for more information.
6.14.3.9
Hear Clear
NOTICE: This feature must be preprogrammed by a qualified radio technician. Check with your
dealer or system administrator for more information.
There are two components of Hear Clear.
Companding
Reduces the channel noise, such as OTA transmission that is predominantly present in UHF2 and
900 MHz channel with the following features.
Compressor
Reduces the background noise flow and the speech signal at transmitting radio.
Expander
Expands the speech while the noise flow remains the same at receiving radio.
Random FM Noise Canceller (Flutter Fighter)
Reduces the unwanted effects of random FM noise pulses caused by channel fading under high
Signal-to-Noise (S/N) conditions such as in a moving transportation. The fading effects, heard as
audio pops and clicks, are canceled without affecting the desired audio signal.
The Random FM Noise Canceller operates only in receive mode.
6.15
Radio Inhibit
This feature allows the system administrator to put a radio into a non-functional state when the radio is
missing or in an unknown hand. The radio stays in this state regardless of its power changes.
NOTICE:
If the radio has Inter-system roaming capability, the system administrator is able to put the radio
into a non-functional state when the missing radio roams to another system.
The radio can only be uninhibited by receiving an uninhibited command from the system
administrator.
6.16
Global Positioning System/Global Navigation Satellite System
The Global Navigation Satellite System (GNSS) in the radio integrates the information from the Global
Positioning System (GPS) and the GLObal NAvigation Satellite System (GLONASS) to determine the
approximate geographical location of your radio.
NOTICE: This feature is addressed as GPS across the manual as the naming convention of the
buttons and strings remain the same as the legacy feature of GPS.
The availability and accuracy of this location information (and the amount of time that it takes to
calculate it) varies depending on the environment in which you are using the GPS feature. For
example, GPS location fixes are difficult to obtain indoors, in covered locations, between high
buildings, or in situations where you have not established a clear broad view of the sky.
If adequate signals from multiple satellites are available, your GPS feature only provides an
approximate location, usually within 10 meters from your actual location, but sometimes farther away.
MN004476A01-AE
Chapter 6: Advanced Features
89
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